<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <link rel="stylesheet" href="./iconfont/iconfont.css">
  <style>
    /* 不要这样写，会被层叠掉，优先级没有iconfont高，所以无法修改 */
    /* i {
      font-size: 60px;
    } */

    .iconfont {
      font-size: 60px;
    }
  </style>
</head>

<body>
  <i class="iconfont icon-jiazai"></i>
</body>

</html>